Veronica longifolia 'Marietta'PBR
garden speedwell 'Marietta'
'Marietta' is an upright herbaceous perennial up to 1.2m high with lance-shaped to linear, pointed, toothed, dark green leaves, to 12cm long, and dense, erect, terminal racemes, 25cm long, of deep violet-blue flowers, in late summer and early autumn
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue | Green | ||
| Autumn | Blue | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
North–facing or West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Plantaginaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Veronica can be annuals, perennials or sub-shrubs with paired leaves and small flowers usually in terminal or axillary racemes or spikes
- Name status
Accepted
How to grow
Cultivation
Grow in loamy, moderately fertile, moist but well-drained soil in full sun or partial shade
Propagation
Propagate by division in autumn or spring; propagation for resale is prohibited without a licence
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Wildlife gardens
- Flower borders and beds
Pruning
Deadhead after flowering, remove faded flower stems in the autumn
Pests
May be susceptible to aphids
Diseases
May be susceptible to downy mildews, fungal leaf spot, fungal rot, Phytophthora and sometimes honey fungus
Get involved
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